1 /****************************************************************************** 2 * 3 * Copyright 2001-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * This file contains internally used BNEP definitions 22 * 23 ******************************************************************************/ 24 25 #ifndef BNEP_INT_H 26 #define BNEP_INT_H 27 28 #include "bnep_api.h" 29 #include "bt_common.h" 30 #include "bt_target.h" 31 #include "btu.h" 32 #include "osi/include/fixed_queue.h" 33 34 /* BNEP frame types 35 */ 36 #define BNEP_FRAME_GENERAL_ETHERNET 0x00 37 #define BNEP_FRAME_CONTROL 0x01 38 #define BNEP_FRAME_COMPRESSED_ETHERNET 0x02 39 #define BNEP_FRAME_COMPRESSED_ETHERNET_SRC_ONLY 0x03 40 #define BNEP_FRAME_COMPRESSED_ETHERNET_DEST_ONLY 0x04 41 42 /* BNEP filter control message types 43 */ 44 #define BNEP_CONTROL_COMMAND_NOT_UNDERSTOOD 0x00 45 #define BNEP_SETUP_CONNECTION_REQUEST_MSG 0x01 46 #define BNEP_SETUP_CONNECTION_RESPONSE_MSG 0x02 47 #define BNEP_FILTER_NET_TYPE_SET_MSG 0x03 48 #define BNEP_FILTER_NET_TYPE_RESPONSE_MSG 0x04 49 #define BNEP_FILTER_MULTI_ADDR_SET_MSG 0x05 50 #define BNEP_FILTER_MULTI_ADDR_RESPONSE_MSG 0x06 51 52 /* BNEP header extension types 53 */ 54 #define BNEP_EXTENSION_FILTER_CONTROL 0x00 55 56 /* BNEP Setup Connection response codes 57 */ 58 #define BNEP_SETUP_CONN_OK 0x0000 59 #define BNEP_SETUP_INVALID_DEST_UUID 0x0001 60 #define BNEP_SETUP_INVALID_SRC_UUID 0x0002 61 #define BNEP_SETUP_INVALID_UUID_SIZE 0x0003 62 #define BNEP_SETUP_CONN_NOT_ALLOWED 0x0004 63 64 /* BNEP filter control response codes 65 */ 66 #define BNEP_FILTER_CRL_OK 0x0000 67 #define BNEP_FILTER_CRL_UNSUPPORTED 0x0001 68 #define BNEP_FILTER_CRL_BAD_RANGE 0x0002 69 #define BNEP_FILTER_CRL_MAX_REACHED 0x0003 70 #define BNEP_FILTER_CRL_SECURITY_ERR 0x0004 71 72 /* 802.1p protocol packet will have actual protocol field in side the payload */ 73 #define BNEP_802_1_P_PROTOCOL 0x8100 74 75 /* Timeout definitions. */ 76 /* Connection related timeout */ 77 #define BNEP_CONN_TIMEOUT_MS (20 * 1000) 78 /* host response timeout */ 79 #define BNEP_HOST_TIMEOUT_MS (200 * 1000) 80 #define BNEP_FILTER_SET_TIMEOUT_MS (10 * 1000) 81 82 #define BNEP_MAX_RETRANSMITS 3 83 84 /* Define the BNEP Connection Control Block 85 */ 86 typedef struct { 87 #define BNEP_STATE_IDLE 0 88 #define BNEP_STATE_CONN_START 1 89 #define BNEP_STATE_CFG_SETUP 2 90 #define BNEP_STATE_CONN_SETUP 3 91 #define BNEP_STATE_SEC_CHECKING 4 92 #define BNEP_STATE_SETUP_RCVD 5 93 #define BNEP_STATE_CONNECTED 6 94 uint8_t con_state; 95 96 #define BNEP_FLAGS_IS_ORIG 0x01 97 #define BNEP_FLAGS_HIS_CFG_DONE 0x02 98 #define BNEP_FLAGS_MY_CFG_DONE 0x04 99 #define BNEP_FLAGS_L2CAP_CONGESTED 0x08 100 #define BNEP_FLAGS_FILTER_RESP_PEND 0x10 101 #define BNEP_FLAGS_MULTI_RESP_PEND 0x20 102 #define BNEP_FLAGS_SETUP_RCVD 0x40 103 #define BNEP_FLAGS_CONN_COMPLETED 0x80 104 uint8_t con_flags; 105 BT_HDR* p_pending_data; 106 107 uint16_t l2cap_cid; 108 RawAddress rem_bda; 109 alarm_t* conn_timer; 110 fixed_queue_t* xmit_q; 111 112 uint16_t sent_num_filters; 113 uint16_t sent_prot_filter_start[BNEP_MAX_PROT_FILTERS]; 114 uint16_t sent_prot_filter_end[BNEP_MAX_PROT_FILTERS]; 115 116 uint16_t sent_mcast_filters; 117 RawAddress sent_mcast_filter_start[BNEP_MAX_MULTI_FILTERS]; 118 RawAddress sent_mcast_filter_end[BNEP_MAX_MULTI_FILTERS]; 119 120 uint16_t rcvd_num_filters; 121 uint16_t rcvd_prot_filter_start[BNEP_MAX_PROT_FILTERS]; 122 uint16_t rcvd_prot_filter_end[BNEP_MAX_PROT_FILTERS]; 123 124 uint16_t rcvd_mcast_filters; 125 RawAddress rcvd_mcast_filter_start[BNEP_MAX_MULTI_FILTERS]; 126 RawAddress rcvd_mcast_filter_end[BNEP_MAX_MULTI_FILTERS]; 127 128 uint16_t bad_pkts_rcvd; 129 uint8_t re_transmits; 130 uint16_t handle; 131 bluetooth::Uuid prv_src_uuid; 132 bluetooth::Uuid prv_dst_uuid; 133 bluetooth::Uuid src_uuid; 134 bluetooth::Uuid dst_uuid; 135 136 } tBNEP_CONN; 137 138 /* The main BNEP control block 139 */ 140 typedef struct { 141 tL2CAP_CFG_INFO l2cap_my_cfg; /* My L2CAP config */ 142 tBNEP_CONN bcb[BNEP_MAX_CONNECTIONS]; 143 144 tBNEP_CONNECT_IND_CB* p_conn_ind_cb; 145 tBNEP_CONN_STATE_CB* p_conn_state_cb; 146 tBNEP_DATA_IND_CB* p_data_ind_cb; 147 tBNEP_DATA_BUF_CB* p_data_buf_cb; 148 tBNEP_FILTER_IND_CB* p_filter_ind_cb; 149 tBNEP_MFILTER_IND_CB* p_mfilter_ind_cb; 150 tBNEP_TX_DATA_FLOW_CB* p_tx_data_flow_cb; 151 152 tL2CAP_APPL_INFO reg_info; 153 154 bool profile_registered; /* true when we got our BD addr */ 155 uint8_t trace_level; 156 157 } tBNEP_CB; 158 159 /* Global BNEP data 160 */ 161 extern tBNEP_CB bnep_cb; 162 163 /* Functions provided by bnep_main.cc 164 */ 165 extern tBNEP_RESULT bnep_register_with_l2cap(void); 166 extern void bnep_disconnect(tBNEP_CONN* p_bcb, uint16_t reason); 167 extern tBNEP_CONN* bnep_conn_originate(uint8_t* p_bd_addr); 168 extern void bnep_conn_timer_timeout(void* data); 169 extern void bnep_connected(tBNEP_CONN* p_bcb); 170 171 /* Functions provided by bnep_utils.cc 172 */ 173 extern tBNEP_CONN* bnepu_find_bcb_by_cid(uint16_t cid); 174 extern tBNEP_CONN* bnepu_find_bcb_by_bd_addr(const RawAddress& p_bda); 175 extern tBNEP_CONN* bnepu_allocate_bcb(const RawAddress& p_rem_bda); 176 extern void bnepu_release_bcb(tBNEP_CONN* p_bcb); 177 extern void bnepu_send_peer_our_filters(tBNEP_CONN* p_bcb); 178 extern void bnepu_send_peer_our_multi_filters(tBNEP_CONN* p_bcb); 179 extern bool bnepu_does_dest_support_prot(tBNEP_CONN* p_bcb, uint16_t protocol); 180 extern void bnepu_build_bnep_hdr(tBNEP_CONN* p_bcb, BT_HDR* p_buf, 181 uint16_t protocol, 182 const RawAddress* p_src_addr, 183 const RawAddress* p_dest_addr, bool ext_bit); 184 extern void test_bnepu_build_bnep_hdr(tBNEP_CONN* p_bcb, BT_HDR* p_buf, 185 uint16_t protocol, uint8_t* p_src_addr, 186 uint8_t* p_dest_addr, uint8_t type); 187 188 extern tBNEP_CONN* bnepu_get_route_to_dest(uint8_t* p_bda); 189 extern void bnepu_check_send_packet(tBNEP_CONN* p_bcb, BT_HDR* p_buf); 190 extern void bnep_send_command_not_understood(tBNEP_CONN* p_bcb, 191 uint8_t cmd_code); 192 extern void bnepu_process_peer_filter_set(tBNEP_CONN* p_bcb, uint8_t* p_filters, 193 uint16_t len); 194 extern void bnepu_process_peer_filter_rsp(tBNEP_CONN* p_bcb, uint8_t* p_data); 195 extern void bnepu_process_multicast_filter_rsp(tBNEP_CONN* p_bcb, 196 uint8_t* p_data); 197 extern void bnep_send_conn_req(tBNEP_CONN* p_bcb); 198 extern void bnep_send_conn_responce(tBNEP_CONN* p_bcb, uint16_t resp_code); 199 extern void bnep_process_setup_conn_req(tBNEP_CONN* p_bcb, uint8_t* p_setup, 200 uint8_t len); 201 extern void bnep_process_setup_conn_responce(tBNEP_CONN* p_bcb, 202 uint8_t* p_setup); 203 extern uint8_t* bnep_process_control_packet(tBNEP_CONN* p_bcb, uint8_t* p, 204 uint16_t* len, bool is_ext); 205 extern void bnep_sec_check_complete(const RawAddress* bd_addr, 206 tBT_TRANSPORT trasnport, void* p_ref_data); 207 extern tBNEP_RESULT bnep_is_packet_allowed(tBNEP_CONN* p_bcb, 208 const RawAddress& p_dest_addr, 209 uint16_t protocol, 210 bool fw_ext_present, uint8_t* p_data, 211 uint16_t org_len); 212 213 #endif 214